* {
	padding: 0;
	margin: 0;
	box-sizing: border-box;
	text-decoration: none;
	list-style: none;
}

.box {
	width: 1000px;
	height: 700px;
	background-color: #ccc;
	display: flex;
	flex-direction: row;
	flex-wrap: wrap;
	justify-content: flex-start;
	/* align-items: center; */
	align-content: space-around;
}

.box>div {
	width: 300px;
	height: 300px;
	background-color: #0f0;
	color: #fff;
	font-size: 50px;
	text-align: center;
	line-height: 300px;

}

.ban {
	width: 514px;
	border: 1px solid red;
	display: flex;
	justify-content: space-between;
}

.ban>div {
	width: 42px;
	height: 20px;
	background-color: #0f0;
	border: 1px solid #ccc;
}